TY  - RPRT
TI  - Reference groups, membership groups, and attitude change.
AU  - A E SIEGEL
AU  - S SIEGEL
PY  - 1957
DO  - 10.1037/h0041502
UR  - https://pubmed.ncbi.nlm.nih.gov/13474915/
ID  - 13474915
ER  -